Safety while Tripping Pipe
The highest incidence of accidents occurs around the rotary table when workers are making a trip. The reason for this is worker exposure to the hazards for a greater length of time than they would experience while making a single connection.
Pre-Trip Checklist
- The rotary table and surrounding work area should have a mat or covering to prevent slips or falls.
- Pick up all tools and items from around the rotary table that could cause a fall.
- Inspect tong jaws, tong pins, tong dies, tong snub and pull back lines.
- Be sure the tong dies are sharp and not broken.
- Be sure the tong jaws and elevator are well lubricated and that all pins, nuts and bolts are in place.
- Always wear goggles when changing tong dies.
- Inspect elevator hinge, ears and securing bolts, and service the elevators latch and hinge pin.
- Inspect the mud bucket.
- Inspect slip dies, die keepers, handles and handle attachment pins and lubricate back of slip body.
- Inspect the drill collar clamp.
- Be sure all pins are in place with the proper keepers.
- Check the dies to ensure they are sharp and keepers are in place.
- Be sure all crewmen are mentally alert and ready to work.
- The derrickman is responsible to check the derrick board and derrick for loose objects that might become dropped objects.
- Be sure proper PPE is being worn:
- Hard hat
- Safety glasses
- Safety boots or shoes
- Work gloves
- Proper clothing
- No loose fitting clothing or jewelry
Precautions while making a trip:
- During the trip, keep the surface of the work area as clean and dry as possible.
- Stand on the rotary guard, not the rotary.
- Keep feet clear of slip handles.
- Prevent horseplay of any kind.
- Be alert. Watch the driller and other co-workers for signals.
- Keep feet off the rotary when it is turning.
- Keep feet clear when setting slips.
- Grip slip handles with palms facing up.
- Do not stand under elevators or between pipe being hoisted and the joint of pipe in rotary table when picking up or laying down drill pipe or drill collars.
- Never let drill pipe or drill collars swing free. If necessary use a tagline.
- Keep feet from under pipe, drill collars, and installed safety clamps.
- Keep hands off the elevator bail eyes.
- Keep hands off the stump of pipe in the rotary or mouse hole.
- Only place hands on tong handles.
- Keep hands off of the tong latch except to open the tongs.
- Keep an eye on swinging tongs at all times.
- Stand clear of the spinning chain.
- Never put your hand on top of the drill pipe or collar box at any time.
- Always stand clear of tongs and elevators when the driller is making up a connection.
- Use extreme care when placing hands on pipe, collars and tongs
- Maintain coordination between the driller and crewmembers at all times.
- Use sufficient help when setting and pulling slips.